import wx

def load(event):
    file = open(filename.GetValue())
    contents.SetValue(file.read())
    file.close()

def save(event):
    file = open(filename.GetValue(),'w')
    file.write(contents.GetValue())
    file.close()

app = wx.App()
win = wx.Frame(None,title = "编辑器", size=(410,335))
bkg = wx.Panel(win)

loadButton = wx.Button(bkg, label = '打开')
loadButton.Bind(wx.EVT_BUTTON,load)

saveButton = wx.Button(bkg, label = '保存')
saveButton.Bind(wx.EVT_BUTTON,save)

filename = wx.TextCtrl(bkg)
contents = wx.TextCtrl(bkg, style = wx.TE_MULTILINE | wx.HSCROLL)

hbox = wx.BoxSizer()
hbox.Add(filename, proportion =1, flag = wx.EXPAND)
hbox.Add(loadButton, proportion =0,flag = wx.LEFT, border = 5)
hbox.Add(saveButton, proportion =0,flag = wx.LEFT, border = 5)

vbox = wx.BoxSizer(wx.VERTICAL)
vbox.Add(hbox,proportion = 0,flag = wx.EXPAND | wx.ALL, border = 5)
vbox.Add(contents, proportion = 1,flag=wx.EXPAND | wx.LEFT | wx.BOTTOM | wx.RIGHT, border = 5)

bkg.SetSizer(vbox)
win.Show()
app.MainLoop()
